This new Toshiba 4K TV is the first Amazon Fire TV to feature local dimming Toshiba has announced its latest 4K flagship, the M550KU Fire TV, which the company says will the first Amazon Fire TV to feature local dimming, with up to 48 dimmable zones to enhance color adjustment and brightness control. The Toshiba M550KU Fire TV will be made available through Amazon and Best Buy in early December, and will be purchasable in three sizes. The base 55-inch TV will cost $799.99, while a larger 65-inch variant will run you a little more at $999.99. Finally, a mammoth 75-inch TV is available to buy for $1,199.99. The TV sounds like it s packing some fancy features, too. Dolby Atmos and Dolby Vision are both featured, as well as the ever-reliable Fire TV OS. The TV itself has opted for an eye-catching, bezel-free design, which could look especially nice if you opt for one of the TV s larger sizes. Should I buy a Toshiba Fire TV? If you re wondering what the local dimming feature entails, it ess...